Divers must perform a dive list containing three dives: one voluntary and two optionals. No dives can be repeated. Rounds 1-3 must be performed on 1M and cover two categories. Optionals must cover 2 categories. Valid voluntary dives include 101A, 101B, 101C, 201A, 201B, 201C, 301A, 301B, 301C, 401A, 401B, 401C, 5111A, 5111B, 5111C, 100A, 100B, 100C, 200A, 200B, 200C, and 5101A. Any skill dive used as an optional or voluntary will have an assigned DD of 1.0. Only the following skill dives can be used as an optional or voluntary: 100A, 100B, 100C, 200A, 200B, 200C, and 5101A.